<?php

declare(strict_types=1);

/*
 * This file is part of the humbug/php-scoper package.
 *
 * Copyright (c) 2017 Théo FIDRY <theo.fidry@gmail.com>,
 *                    Pádraic Brady <padraic.brady@gmail.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Humbug\PhpScoper\PhpParser;

use Humbug\PhpScoper\PhpParser\NodeVisitor\NamespaceStmt\NamespaceStmtCollection;
use Humbug\PhpScoper\PhpParser\NodeVisitor\Resolver\FullyQualifiedNameResolver;
use Humbug\PhpScoper\PhpParser\NodeVisitor\UseStmt\UseStmtCollection;
use Humbug\PhpScoper\Reflector;
use Humbug\PhpScoper\Scoper\PhpScoper;
use Humbug\PhpScoper\Whitelist;
use PhpParser\NodeTraverserInterface;

/**
 * @private
 */
class TraverserFactory
{
    private $reflector;

    public function __construct(Reflector $reflector)
    {
        $this->reflector = $reflector;
    }

    public function create(PhpScoper $scoper, string $prefix, Whitelist $whitelist): NodeTraverserInterface
    {
        $traverser = new NodeTraverser();

        $namespaceStatements = new NamespaceStmtCollection();
        $useStatements = new UseStmtCollection();

        $nameResolver = new FullyQualifiedNameResolver($namespaceStatements, $useStatements);

        $traverser->addVisitor(new NodeVisitor\ParentNodeAppender());

        $traverser->addVisitor(new NodeVisitor\NamespaceStmt\NamespaceStmtPrefixer($prefix, $whitelist, $namespaceStatements));

        $traverser->addVisitor(new NodeVisitor\UseStmt\UseStmtCollector($namespaceStatements, $useStatements));
        $traverser->addVisitor(new NodeVisitor\UseStmt\UseStmtPrefixer($prefix, $whitelist, $this->reflector));

        $traverser->addVisitor(new NodeVisitor\NamespaceStmt\FunctionIdentifierRecorder($prefix, $nameResolver, $whitelist, $this->reflector));
        $traverser->addVisitor(new NodeVisitor\ClassIdentifierRecorder($prefix, $nameResolver, $whitelist));
        $traverser->addVisitor(new NodeVisitor\NameStmtPrefixer($prefix, $whitelist, $nameResolver, $this->reflector));
        $traverser->addVisitor(new NodeVisitor\StringScalarPrefixer($prefix, $whitelist, $this->reflector));
        $traverser->addVisitor(new NodeVisitor\NewdocPrefixer($scoper, $prefix, $whitelist));
        $traverser->addVisitor(new NodeVisitor\EvalPrefixer($scoper, $prefix, $whitelist));

        $traverser->addVisitor(new NodeVisitor\ClassAliasStmtAppender($prefix, $whitelist, $nameResolver));
        $traverser->addVisitor(new NodeVisitor\ConstStmtReplacer($whitelist, $nameResolver));

        return $traverser;
    }
}